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Finding the Fourth Proportional to 44,802, 67,207.20 and 13,212.09

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Solution

The fourth proportional to 44,802, 67,207.20 and 13,212.09 is: 19,819.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,802 : 67,207.20 = 13,212.09 : x
  2. Step 2: Convert to fraction form
    44,802/67,207.20 = 13,212.09/x
  3. Step 3: Cross multiply
    44,802x = 67,207.20 × 13,212.09
  4. Step 4: Simplify right side
    44,802x = 887,947,575.05
  5. Step 5: Solve for x
    x = 887,947,575.05/44,802
  6. Step 6: Final answer
    x = 19,819.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.